builtin: add elt built-in function #2870
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LGTM |
zimulala
reviewed
Mar 20, 2017
expression/builtin_string.go
Outdated
| return d, errFunctionNotExists.GenByArgs("elt") | ||
| args, err := b.evalArgs(row) | ||
| if err != nil { | ||
| return types.Datum{}, errors.Trace(err) |
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Return d, errors.Trace(err) is better.
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Yes. That would be unified. I've modified.
PTAL. Thanks!
make the error return type unified
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LGTM |
zimulala
approved these changes
Mar 20, 2017
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Add the ELT built-in string function.